html {
  width: 100%;
  height: 100%;
}
html body {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
.blank {
  font-size: 0px;
  clear: both;
}
audio {
  z-index: 100;
  position: absolute;
}
#musicbox {
  background: url(../img/bofang.gif) no-repeat;
  background-size: 100%;
  position: absolute;
  top: 30px;
  right: 30px;
  z-index: 20;
  width: 20px;
  height: 20px;
  cursor: pointer;
}
#wrap {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  transition: 0.5s all ease-in-out;
}
#wrap .cont {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
#wrap .cont .bg-wrap {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
#wrap .cont .bg-wrap .bgbox {
  background-color: #fff;
  position: absolute;
  width: 100%;
  background-size: 100%;
  height: 100%;
  float: left;
  transition: 2s transform linear;
}
.meng {
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background: black;
  opacity: 0.5;
  z-index: 2;
}
@keyframes movedown {
  0% {
    margin-top: -140px;
    opacity: 0;
  }
  100% {
    margin-top: -92px;
    opacity: 1;
  }
}
.content1 .bgbox1 {
  transform: translateX(-100%);
  background-repeat: no-repeat;
}
.content1 .bgbox1.bgbox11 {
  background-image: url("../img/bg (1).jpg");
}
.content1 .bgbox1.bgbox12 {
  background-image: url("../img/bg (2).jpg");
}
.content1 .bgbox1.bgbox13 {
  background-image: url("../img/bg (3).jpg");
}
.content1 .bgbox1.bgbox14 {
  background-image: url("../img/bg (4).jpg");
}
.content1 .bgbox1.bg-pre {
  transform: translateX(0);
  z-index: 1;
}
.content1 .bgbox1.bg-move {
  transform: translateX(100%);
  z-index: 1;
}
.content1 .jieshao {
  position: absolute;
  width: 600px;
  height: 186px;
  top: 50%;
  left: 50%;
  margin-top: -92px;
  margin-left: -300px;
  z-index: 3;
  text-align: center;
  color: #fff;
  animation: movedown 1s backwards;
  backface-visibility: hidden;
}
.content1 .jieshao h1 {
  font-size: 30px;
  line-height: 50px;
}
.content1 .jieshao p {
  font-size: 25px;
  line-height: 50px;
  position: relative;
}
.content1 .jieshao #to-cont2 {
  border: 1px solid #fff;
  width: 200px;
  height: 30px;
  padding: 5px 20px;
  margin: 10% auto;
  font-size: 25px;
  line-height: 30px;
  cursor: pointer;
}
.content1 .jieshao .imgbox {
  width: 250px;
  margin: 20px auto;
}
.content1 .jieshao .imgbox img {
  width: 50px;
  height: 50px;
  cursor: pointer;
  margin-top: 0;
}
.content1 .jieshao .imgbox img:first-child {
  margin-right: 75px;
}
.content2 {
  position: relative;
}
.content2 #to-cont1 {
  position: absolute;
  left: 20px;
  top: 20px;
  color: white;
  border-bottom: 1px solid #fff;
  height: 30px;
  font-size: 20px;
  line-height: 30px;
  margin-bottom: 20px;
  cursor: pointer;
  z-index: 5;
}
.content2 .bgbox2 {
  transform: translateX(100%);
  background-repeat: no-repeat;
}
.content2 .bgbox2:nth-child(1) {
  background-image: url("../img/bg (5).jpg");
}
.content2 .bgbox2:nth-child(2) {
  background-image: url("../img/bg (6).jpg");
}
.content2 .bgbox2:nth-child(3) {
  background-image: url("../img/bg (7).jpg");
}
.content2 .bgbox2:nth-child(4) {
  background-image: url("../img/bg (8).jpg");
}
.content2 .bgbox2.bg-pre {
  transform: translateX(0);
  z-index: 1;
}
.content2 .bgbox2.bg-move {
  transform: translateX(-100%);
  z-index: 1;
}
.content2 .stail {
  position: absolute;
  top: 50%;
  left: 50%;
  height: 500px;
  margin-top: -250px;
  margin-left: -500px;
  z-index: 3;
  width: 1000px;
  text-align: center;
}
.content2 .stail .nav {
  width: 60px;
  font-size: 25px;
  color: white;
  position: absolute;
  background: red;
  top: 50%;
  left: 0;
}
.content2 .stail .nav #caidan {
  width: 60px;
  height: 60px;
  line-height: 60px;
  border-radius: 30px;
  border: 1px solid white;
  position: absolute;
  z-index: 50;
  transition: 1s;
  cursor: pointer;
}
.content2 .stail .nav li {
  width: 60px;
  height: 60px;
  line-height: 60px;
  border-radius: 30px;
  border: 1px solid white;
  position: absolute;
  top: 0;
  left: 0;
  transition: 1s ease-in-out;
  cursor: pointer;
  opacity: 0;
}
.content2 .stail .nav_content {
  float: right;
  width: 690px;
  height: 500px;
  background: url(../img/xinzhi.png) no-repeat;
  background-size: 100%;
}
.content2 .stail .nav_content li {
  position: absolute;
  top: 200px;
  right: 170px;
  width: 380px;
  opacity: 0;
  transition: 1s ease-in-out;
}
.content2 .stail .nav_content li.li_active {
  top: 160px;
  opacity: 1;
}
